diff --git a/.drone.yml b/.drone.yml
index c4fd423..897fc2e 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,9 +1,57 @@
-image: python:all
-env:
-  - POSTGRESQL_URI=postgresql://postgres@127.0.0.1:5432/
-  - MYSQL_URI=mysql://root@127.0.0.1:3306/
-script:
-  - pip install tox
-  - tox -e "{py27,py33,py34,py35}-{sqlite,postgresql}" --skip-missing-interpreters
+clone:
+    hg:
+        image: plugins/hg
+
+pipeline:
+    tox:
+        image: ${IMAGE}
+        environment:
+            - CFLAGS=-O0
+            - DB_CACHE=/cache
+            - TOX_TESTENV_PASSENV=CFLAGS DB_CACHE
+            - POSTGRESQL_URI=postgresql://postgres@postgresql:5432/
+        commands:
+            - pip install tox
+            - tox -e "${TOXENV}-${DATABASE}"
+    notify:
+        image: drillster/drone-email
+        from: drone@localhost
+        host: smtp
+        port: 25
+        skip_verify: true
+        when:
+            status: [ changed, failure ]
+
 services:
-  - postgres
+    postgresql:
+        image: postgres
+        when:
+            matrix:
+                DATABASE: postgresql
+
+matrix:
+    include:
+        - IMAGE: python:2.7
+          TOXENV: py27
+          DATABASE: sqlite
+        - IMAGE: python:2.7
+          TOXENV: py27
+          DATABASE: postgresql
+        - IMAGE: python:3.4
+          TOXENV: py34
+          DATABASE: sqlite
+        - IMAGE: python:3.4
+          TOXENV: py34
+          DATABASE: postgresql
+        - IMAGE: python:3.5
+          TOXENV: py35
+          DATABASE: sqlite
+        - IMAGE: python:3.5
+          TOXENV: py35
+          DATABASE: postgresql
+        - IMAGE: python:3.6
+          TOXENV: py36
+          DATABASE: sqlite
+        - IMAGE: python:3.6
+          TOXENV: py36
+          DATABASE: postgresql
diff --git a/electronic_mail.py b/electronic_mail.py
index ecee958..6591346 100644
--- a/electronic_mail.py
+++ b/electronic_mail.py
@@ -3,7 +3,7 @@
 # copyright notices and license terms.
 from datetime import datetime
 
-from trytond.model import ModelSQL, ModelView, fields
+from trytond.model import ModelSQL, ModelView, fields, DeactivableMixin
 from trytond.pool import Pool, PoolMeta
 from trytond.pyson import Bool, Eval, Not
 from trytond.transaction import Transaction
@@ -12,7 +12,7 @@ from trytond.transaction import Transaction
 __all__ = ['ElectronicMailFilter', 'SearchingStart']
 
 
-class ElectronicMailFilter(ModelSQL, ModelView):
+class ElectronicMailFilter(DeactivableMixin, ModelSQL, ModelView):
     'eMail Filter'
     __name__ = 'electronic.mail.filter'
 
@@ -23,7 +23,6 @@ class ElectronicMailFilter(ModelSQL, ModelView):
     model = fields.Function(fields.Many2One('ir.model', 'Model'),
         'on_change_with_model')
     cron = fields.Many2One('ir.cron', 'Cron', readonly=True)
-    active = fields.Boolean('Active')
     profile = fields.Many2One('searching.profile', 'Profile',
         domain=[
             ('model', '=', Eval('model')),
@@ -77,10 +76,6 @@ class ElectronicMailFilter(ModelSQL, ModelView):
                     },
                 })
 
-    @staticmethod
-    def default_active():
-        return True
-
     @staticmethod
     def default_mix_operator():
         return 'all'
diff --git a/electronic_mail.xml b/electronic_mail.xml
index 7a4361b..e9b2382 100644
--- a/electronic_mail.xml
+++ b/electronic_mail.xml
@@ -32,6 +32,26 @@ copyright notices and license terms. -->
             <field name="view" ref="view_electronic_mail_filter_form"/>
             <field name="act_window" ref="action_electronic_mail_filter"/>
         </record>
+        <record model="ir.model.button" id="electronic_mail_test_profile_button">
+             <field name="name">test_profile</field>
+             <field name="string">Test Profile</field>
+             <field name="model" search="[('model', '=', 'electronic.mail.filter')]"/>
+        </record>
+        <record model="ir.model.button" id="electronic_mail_send_emails_button">
+             <field name="name">send_emails</field>
+             <field name="string">Send emails</field>
+             <field name="model" search="[('model', '=', 'electronic.mail.filter')]"/>
+        </record>
+        <record model="ir.model.button" id="electronic_mail_create_cron_button">
+             <field name="name">create_cron</field>
+             <field name="string">Create Cron</field>
+             <field name="model" search="[('model', '=', 'electronic.mail.filter')]"/>
+        </record>
+        <record model="ir.model.button" id="electronic_mail_delete_cron_button">
+             <field name="name">delete_cron</field>
+             <field name="string">Delete Cron</field>
+             <field name="model" search="[('model', '=', 'electronic.mail.filter')]"/>
+        </record>
         <menuitem
             name="Electronic Mail Filters"
             id="menu_electronic_mail_filter"
diff --git a/setup.py b/setup.py
index 5964701..b1d21d5 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,10 @@ try:
 except ImportError:
     from ConfigParser import ConfigParser
 
-MODULE2PREFIX = {}
+MODULE2PREFIX = {
+    'electronic_mail_template': 'trytonzz',
+    'searching': 'trytonzz',
+}
 
 
 def read(fname):
@@ -20,6 +23,7 @@ def read(fname):
         os.path.join(os.path.dirname(__file__), fname),
         'r', encoding='utf-8').read()
 
+
 def get_require_version(name):
     if minor_version % 2:
         require = '%s >= %s.%s.dev0, < %s.%s'
@@ -29,6 +33,7 @@ def get_require_version(name):
         major_version, minor_version + 1)
     return require
 
+
 config = ConfigParser()
 config.readfp(open('tryton.cfg'))
 info = dict(config.items('tryton'))
@@ -40,9 +45,9 @@ major_version, minor_version, _ = version.split('.', 2)
 major_version = int(major_version)
 minor_version = int(minor_version)
 name = 'trytonzz_electronic_mail_filter'
-download_url = 'https://bitbucket.org/zikzakmedia/trytond-electronic_mail_filter'
+download_url = 'https://bitbucket.org/datalife_sco/trytond-electronic_mail_filter'
 
-requires = []
+requires = ['emailvalid']
 for dep in info.get('depends', []):
     if not re.match(r'(ir|res)(\W|$)', dep):
         prefix = MODULE2PREFIX.get(dep, 'trytond')
@@ -50,7 +55,25 @@ for dep in info.get('depends', []):
 requires.append(get_require_version('trytond'))
 
 tests_require = []
-dependency_links = []
+series = '%s.%s' % (major_version, minor_version)
+if minor_version % 2:
+    branch = 'default'
+else:
+    branch = series
+dependency_links = [
+    ('hg+https://bitbucket.org/nantic/'
+        'trytond-electronic_mail_template@%(branch)s'
+        '#egg=trytonzz_electronic_mail_template-%(series)s' % {
+            'branch': branch,
+            'series': series,
+            }),
+    ('hg+https://bitbucket.org/datalife_sco/'
+        'trytond-searching@%(branch)s'
+        '#egg=trytonzz_searching-%(series)s' % {
+            'branch': branch,
+            'series': series,
+            })
+]
 if minor_version % 2:
     # Add development index for testing with proteus
     dependency_links.append('https://trydevpi.tryton.org/')
diff --git a/tox.ini b/tox.ini
index 3dda9ab..3d844ea 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,12 +1,13 @@
 [tox]
-envlist = {py27,py33,py34,py35}-{sqlite,postgresql,mysql},pypy-{sqlite,postgresql}
+envlist = {py27,py34,py35,py36}-{sqlite,postgresql,mysql},pypy-{sqlite,postgresql}
 
 [testenv]
 commands = {envpython} setup.py test
 deps =
-    {py27,py33,py34,py35}-postgresql: psycopg2 >= 2.5
+    {py27,py34,py35,py36}-postgresql: psycopg2 >= 2.5
     pypy-postgresql: psycopg2cffi >= 2.5
     mysql: MySQL-python
+    sqlite: sqlitebck
 setenv =
     sqlite: TRYTOND_DATABASE_URI={env:SQLITE_URI:sqlite://}
     postgresql: TRYTOND_DATABASE_URI={env:POSTGRESQL_URI:postgresql://}
@@ -14,4 +15,4 @@ setenv =
     sqlite: DB_NAME={env:SQLITE_NAME::memory:}
     postgresql: DB_NAME={env:POSTGRESQL_NAME:test}
     mysql: DB_NAME={env:MYSQL_NAME:test}
-install_command = pip install --pre --find-links https://trydevpi.tryton.org/ {opts} {packages}
+install_command = pip install --pre --process-dependency-links {opts} {packages}
diff --git a/tryton.cfg b/tryton.cfg
index 804ecf0..d7944c4 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.2.0
+version=4.8.0
 depends:
     ir
     res
diff --git a/view/electronic_mail_filter_form.xml b/view/electronic_mail_filter_form.xml
index 4fbd68c..9ad3bfd 100644
--- a/view/electronic_mail_filter_form.xml
+++ b/view/electronic_mail_filter_form.xml
@@ -16,19 +16,19 @@ copyright notices and license terms. -->
     <notebook colspan="4">
         <page string="Profile" id="profile">
             <field name="profile" colspan="4"/>
-            <button name="test_profile" string="Test Profile"
+            <button name="test_profile"
                 icon="tryton-preferences"/>
-            <button name="send_emails" string="Send emails"
+            <button name="send_emails"
                 icon="tryton-mail-message"/>
         </page>
         <page string="Cron" id="cron">
             <label name="cron"/>
             <field name="cron"/>
             <group colspan="2" col="2" id="buttons">
-                <button name="create_cron" string="Create Cron"
+                <button name="create_cron"
                     icon="tryton-new"
                     confirm="Are you sure to create the cron?"/>
-                <button name="delete_cron" string="Delete Cron"
+                <button name="delete_cron"
                     icon="tryton-close"
                     confirm="Are you sure to delete the cron?"/>
             </group>